4420040256 has 168 divisors, whose sum is σ = 13477350744. Its totient is φ = 1380188160.

The previous prime is 4420040237. The next prime is 4420040257. The reversal of 4420040256 is 6520400244.

4420040256 is a `hidden beast` number, since 4 + 4 + 200 + 402 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 553190400 + 3866849856 = 23520^2 + 62184^2 .

It is not an unprimeable number, because it can be changed into a prime (4420040257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2358936 + ... + 2360808.

Almost surely, 2^4420040256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420040256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6738675372).

4420040256 is an abundant number, since it is smaller than the sum of its proper divisors (9057310488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4420040256 is a wasteful number, since it uses less digits than its factorization.

4420040256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4420040256 is about 66483.3833074100. The cubic root of 4420040256 is about 1641.1265628572.

The spelling of 4420040256 in words is "four billion, four hundred twenty million, forty thousand, two hundred fifty-six".